Home / 580,616,762.40-870,999,793.20-289,632,621.60

Finding the Fourth Proportional to 580,616,762.40, 870,999,793.20 and 289,632,621.60

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Solution

The fourth proportional to 580,616,762.40, 870,999,793.20 and 289,632,621.60 is: 434,486,170.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,616,762.40 : 870,999,793.20 = 289,632,621.60 : x
  2. Step 2: Convert to fraction form
    580,616,762.40/870,999,793.20 = 289,632,621.60/x
  3. Step 3: Cross multiply
    580,616,762.40x = 870,999,793.20 × 289,632,621.60
  4. Step 4: Simplify right side
    580,616,762.40x = 252,269,953,517,573,888
  5. Step 5: Solve for x
    x = 252,269,953,517,573,888/580,616,762.40
  6. Step 6: Final answer
    x = 434,486,170.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.